<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>homework1</title>
    <link rel="stylesheet" href="style.css">
  </head>

  <body>
    <nav>
        <h2>导航栏</h2>
    </nav>


    <main>
        <aside class="location">
            <h2>边侧栏</h2>
        </aside>
        <article >
            <h2>主要内容</h2>
        </article>  
    </main>

    <footer>
        <h2>页脚</h2>
    </footer>
</body>
</html>
